Definition of proving ground in US English:

proving ground

noun

  • 1An environment that serves to demonstrate whether something, such as a theory or product, really works.

    ‘Bay County is the proving ground for a new gutter-cleaning vacuum’
    • ‘In recent years, sliding-block puzzles have served as proving grounds for novel motion-planning strategies.’
    • ‘Like the technologies described above, today's dual-edge platforms will serve as the proving grounds for next-gen services such as CDNs (content distribution networks).’
    • ‘The Franco-Prussian War was a military proving ground in an age full of uncertainties.’
    • ‘ATK funded development and operation of the mechanical spin fixture and provided its proving grounds for spin testing.’
    • ‘Of course, no repair job is really ever finished without a test ride, and the snowy micro-tundra that is Summit County, Ohio served as superb proving grounds.’
    • ‘But after looking into the matter, it seems more like the Cambrian Explosion is a proving ground for evolutionary theory.’
    • ‘They might be racing on a Sunday and a test team might be at the proving grounds at Arizona.’
    • ‘The Mir orbital complex became a flight test range and proving ground for technical solutions and technologies that are now used on the international space station.’
    • ‘The teams also have tested three times at the Arizona proving grounds, where the cars run flat out on long, straight stretches, and they spent at least two days per team in the wind tunnel, where aerodynamic data is produced.’
    • ‘The Register will act as a proving ground for existing copyright protection schemes and as a test bed for future technologies.’
    1. 1.1US A military facility for the testing of materiel and equipment.
      ‘Aberdeen Proving Ground’
      • ‘The inner canister was flown to the Army's air field at the proving ground and put in a clean room, a work area in which the air quality, temperature and humidity are highly regulated to prevent contamination.’
      • ‘The US Army proving grounds is located in Aberdeen, Maryland on 72,960 acres. It is the oldest active proving ground where weapons and military technology are experimented or tested.’
      • ‘Cities of the Plain begins its work by plunking down Grady and Parham on the same ranch: a dusty, overgrazed New Mexico spread on the edge of a postwar military proving ground.’

Pronunciation

proving ground

/ˈpruvɪŋ ˌɡraʊnd//ˈpro͞oviNG ˌɡround/